DOMDocument::createElement

(PHP 5, PHP 7)

DOMDocument::createElement — Create new element node

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public DOMDocument::createElement ( string $name [, string $value ] ) : DOMElement

This function creates a new instance of class DOMElement. �˽ڵ�������ĵ��У������������� DOMNode->appendChild() �Ⱥ�����������롣

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name

The tag name of the element.

value

The value of the element. By default, an empty element will be created. The value can also be set later with DOMElement::$nodeValue.

The value is used verbatim except that the < and > entity references will escaped. Note that & has to be manually escaped; otherwise it is regarded as starting an entity reference. Also " won't be escaped.

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Returns a new instance of class DOMElement or FALSE if an error occurred.

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DOM_INVALID_CHARACTER_ERR

Raised if name contains an invalid character.

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Example #1 Creating a new element and inserting it as root

<?php

$dom = new DOMDocument('1.0', 'utf-8');

$element = $dom->createElement('test', 'This is the root element!');

// We insert the new element as root (child of the document)
$dom->appendChild($element);

echo $dom->saveXML();
?>

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<?xml version="1.0" encoding="utf-8"?>
<test>This is the root element!</test>

Example #2 Passing text containing an unescaped & as value

<?php
$dom = new DOMDocument('1.0', 'utf-8');
$element = $dom->createElement('foo', 'me & you');
$dom->appendChild($element);
echo $dom->saveXML();
?>

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Warning: DOMDocument::createElement(): unterminated entity reference             you in /in/BjTCg on line 4
<?xml version="1.0" encoding="utf-8"?>
<foo/>

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Note:

The value will not be escaped. Use DOMDocument::createTextNode() to create a text node with escaping support.

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